Update React & Material-UI

app/package.json

@@ -9,7 +9,7 @@
   "author": "",
   "license": "ISC",
   "devDependencies": {
-    "@material-ui/core": "^3.9.0",
+    "@material-ui/core": "^4.0.0-alpha.0",
     "@material-ui/icons": "^3.0.1",
     "@material-ui/styles": "^3.0.0-alpha.8",
     "@types/node": "^10.12.18",
@@ -34,7 +34,7 @@
     "lodash.throttle": "^4.1.1",
     "moving-average": "^1.0.0",
     "number-abbreviate": "^2.0.0",
-    "react": "^16.8.0-alpha.1",
+    "react": "16.8",
     "react-ace": "^6.3.2",
     "react-dom": "^16.7.0",
     "react-json-view": "^1.19.1",